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Input: pm8941-pwrkey - respect reboot_mode for warm reset

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On some devices, e.g. Sony Xperia M4 Aqua, warm reset is used to reboot
device into bootloader and recovery mode.  Instead of always doing hard
reset, add a check on reboot_mode for possible warm reset.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20210714095850.27185-3-shawn.guo@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Shawn Guo 2021-10-16 21:27:59 -07:00 committed by Dmitry Torokhov
parent d46b3f5bc0
commit 9e5afc84ff
1 changed files with 5 additions and 1 deletions
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6
drivers/input/misc/pm8941-pwrkey.c
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@ -29,6 +29,7 @@
#define PON_PS_HOLD_RST_CTL2 0x5b
#define PON_PS_HOLD_ENABLE BIT(7)
#define PON_PS_HOLD_TYPE_MASK 0x0f
#define PON_PS_HOLD_TYPE_WARM_RESET 1
#define PON_PS_HOLD_TYPE_SHUTDOWN 4
#define PON_PS_HOLD_TYPE_HARD_RESET 7
@ -99,7 +100,10 @@ static int pm8941_reboot_notify(struct notifier_block *nb,
break;
case SYS_RESTART:
default:
reset_type = PON_PS_HOLD_TYPE_HARD_RESET;
if (reboot_mode == REBOOT_WARM)
reset_type = PON_PS_HOLD_TYPE_WARM_RESET;
else
reset_type = PON_PS_HOLD_TYPE_HARD_RESET;
break;
}